If your shopping for security screen doors, CHOICE Online have a great guide for what to look for when comparing products and vendors.
Beware of cheap immitations. Like any industry, not all companies will have the same ethical approach or committment to giving you the best materials, components, and workmanship. There are also some inferior imports doing the rounds.
Perth Now video of thieves kicking down door in Yokine robbery, 23 May 2011.